Office Add-ins documentation
Use the Office Add-ins platform to build solutions that extend Office applications and interact with content in Office documents and in Outlook mail messages and calendar items. With Office Add-ins, you can use familiar web technologies such as HTML, CSS, and JavaScript to build solutions that can run in Office on the web, Windows, Mac, and mobile.
Overview
Office Add-ins platform overview
Quickstart
Set up an Excel add-in in 5 minutes
sample
Samples for Office Add-ins
How-To Guide
Office Add-ins Beginner's guide
What's new